National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

77°F

25°C

Humidity 25%
Wind Speed SW 13 G 24 mph
Barometer 29.46 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 4 May 2:35 pm CDT
Extended Forecast for

Mukwonago WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A chance of rain and thunderstorms before 1am, then a chance of rain between 1am and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 43. West wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Northwest wind 5 to 10 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Areas of frost before 7am. Otherwise, partly sunny, with a high near 54. Northwest wind 5 to 10 mph.

    High: 54 °F

    Areas Frost
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 2am. Otherwise, mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy
    then Areas
    Frost

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 57. Light west wind increasing to 5 to 10 mph in the morning.

    High: 57 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. Southwest wind around 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
A chance of rain and thunderstorms before 1am, then a chance of rain between 1am and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 43. West wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 56. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Areas of frost before 7am. Otherwise, partly sunny, with a high near 54. Northwest wind 5 to 10 mph.
Wednesday Night
Areas of frost after 2am. Otherwise, mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 57. Light west wind increasing to 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 39. Southwest wind around 5 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 62.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.34°W (Elev. 791 ft)
Last Update:
2:37 pm CDT May 4, 2026
Forecast Valid:
2pm CDT May 4, 2026-6pm CDT May 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation